Shortened footnote and citation:
{{sfn|Williams|1966|p=}}
* {{cite book | last=Williams | first=George Christopher | title=Adaptation and Natural Selection | publisher=Princeton Univ. Pr | publication-place=Princeton, NJ | date=1966 | isbn=0-691-02357-3}}
Named reference:
<ref name="p377">{{cite book | last=Williams | first=George Christopher | title=Adaptation and Natural Selection | publisher=Princeton Univ. Pr | publication-place=Princeton, NJ | date=1966 | isbn=0-691-02357-3 | page=}}</ref>